163417055 has 4 divisors (see below), whose sum is σ = 196100472. Its totient is φ = 130733640.

The previous prime is 163417031. The next prime is 163417057. The reversal of 163417055 is 550714361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 163417055 - 2¹⁸ = 163154911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163417057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16341701 + ... + 16341710.

It is an arithmetic number, because the mean of its divisors is an integer number (49025118).

Almost surely, 2^163417055 is an apocalyptic number.

163417055 is a deficient number, since it is larger than the sum of its proper divisors (32683417).

163417055 is an equidigital number, since it uses as much as digits as its factorization.

163417055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32683416.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 163417055 is about 12783.4680349270. The cubic root of 163417055 is about 546.7210470805.

The spelling of 163417055 in words is "one hundred sixty-three million, four hundred seventeen thousand, fifty-five".